Functional Brain Imaging |
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Page 267
... tissue parameters of interest ( i.e. , flow and volume ) , an alternative approach must be taken . The most com- mon approach utilizes the concept of the " mean transit time " ( MTT ) for the tissue system . As shown in Fig . 7-38 for ...
... tissue parameters of interest ( i.e. , flow and volume ) , an alternative approach must be taken . The most com- mon approach utilizes the concept of the " mean transit time " ( MTT ) for the tissue system . As shown in Fig . 7-38 for ...
Page 271
... tissue volume to flow ratio only if the amount of indicator actually delivered to the tissue in the voxel , from a total injected quantity of Mini , is known . In general , the amount reaching the measurement voxel , Mo , from an ...
... tissue volume to flow ratio only if the amount of indicator actually delivered to the tissue in the voxel , from a total injected quantity of Mini , is known . In general , the amount reaching the measurement voxel , Mo , from an ...
Page 272
... tissue blood ( plasma ) volume . If the injected mass is known , the tissue volume can be estimated if the flow rate can be determined . If the injected mass is unknown , it is still possible to estimate the tissue volume if an arterial ...
... tissue blood ( plasma ) volume . If the injected mass is known , the tissue volume can be estimated if the flow rate can be determined . If the injected mass is unknown , it is still possible to estimate the tissue volume if an arterial ...
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
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Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
Common terms and phrases
abnormal activity ALFMA arterial auditory Axial axon basal ganglia brain capillary cells central central sulcus cerebral blood flow chemical shift clinical coil computed computed tomography contrast agent cortex cortical decreased demonstrating detection diffusion dipole disease effects encoding epilepsy extracellular field strength FMRI focal frequency functional Gd-DTPA glucose gradient HMPAO infarction inhomogeneous injection lesions Magn Reson magnetic field magnetic resonance imaging mapping measured membrane metabolism methods motor msec neoplasms nerve nervous system neural neuromagnetic neurons normal Nucl nuclei oxygen paramagnetic patients pattern peak perfusion phase positron emission tomography posterior processing projections proton pulse Radon transform rCBF receptors relaxation scan seizures sensitivity sequences signal changes signal intensity slice SMRM Annual Meeting somatosensory spatial SPECT spectra spikes spin echo stimulation studies T2-weighted techniques temporal lobe thalamus tion tissue tumors uptake visual voxel white matter